#3187AC#3187AC

#3187AC is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.8% C 0.098 H 230.4°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3187AC
RGB	rgb(49, 135, 172)
HSL	hsl(198, 56%, 43%)
HSV	hsv(198, 72%, 67%)
CMYK	cmyk(71.5%, 21.5%, 0%, 32.5%)
CIE-LAB	lab(52.90, -13.23, -26.96)
CIE-LCH	lch(52.90, 30.04, 243.86°)
OKLab	oklab(58.83% -0.0626 -0.0757)
OKLCH	oklch(58.83% 0.098 230.4)
XYZ	xyz(17.3740, 20.9575, 42.1513)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187AC #AC5631

analogous

#31AC93 #3187AC #3149AC

triadic

#3187AC #AC3187 #87AC31

tetradic

#3187AC #9331AC #AC5631 #49AC31

square

#3187AC #9331AC #AC5631 #49AC31

split-complementary

#3187AC #AC3149 #AC9331

monochromatic

#163C4D #23627C #3187AC #4EA6CC #7DBEDA

Accessibility & contrast

On white

4.04

#3187AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#3187AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187AC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187AC	#FFFFFF	#000000	##000000
##3187AC	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7485AE

Deuteranopia (green-blind)

#6379AB

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3187ac;
/* rgb */ color: rgb(49, 135, 172);
/* oklch */ color: oklch(58.8% 0.098 230.4);

Tailwind

colors: {
  custom: {
    50: '#79aac5',
    500: '#3187ac',
    950: '#000000',
  },
}

SCSS

$custom: #3187ac;
$custom-light: #79aac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3187ac",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 172
  },
  "hsl": {
    "h": 198.049,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.58832,
    "c": 0.0982,
    "h": 230.4
  },
  "luminance": 0.20959
}

Semantic roles & 50–950 ramp

primary

#3187AC

secondary

#C38D76

accent

#7649DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3187AC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →